The Volkswagen XL1 is marching ever closer to production. Spy photographers recently spotted the diesel hybrid prancing through the snow during a little winter testing, giving us our first look at the vehicle's daytime running lights, as well as the LED taillamps. The ultra-efficient two-door is said to be capable of returning up to 235 miles per gallon thanks to its two-cylinder diesel engine, 27-horsepower electric motor and seven-speed dual-clutch transmission. We don't expect the car to be q